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Argo Cd CVE-2020-11576

MEDIUM
Observable Discrepancy (CWE-203)
2020-04-08 cve@mitre.org
5.3
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V6 - Authentication Timing-safe comparisons
Impact

CVSS score of 5.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 1.9% exploitation probability (EPSS)

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AnalysisAI

Fixed in v1.5.1, Argo version v1.5.0 was vulnerable to a user-enumeration vulnerability which allowed attackers to determine the usernames of valid (non-SSO) accounts because /api/v1/session returned. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affected Packages

go github.com/argoproj/argo-cd fix: 1.5.1

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in go

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-203. Fixed in v1.5.1, Argo version v1.5.0 was vulnerable to a user-enumeration vulnerability which allowed attackers to determine the usernames of valid (non-SSO) accounts because /api/v1/session returned 401 for an existing username and 404 otherwise. Affected products include: Argoproj Argo Cd.

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Severity by source

NVD PRIMARY 5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

DescriptionNVD

Fixed in v1.5.1, Argo version v1.5.0 was vulnerable to a user-enumeration vulnerability which allowed attackers to determine the usernames of valid (non-SSO) accounts because /api/v1/session returned 401 for an existing username and 404 otherwise.

Threat Intelligence Overview

EPSS Score
1.9%
Top 22% exploitable
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 1.9%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

28
Low Medium High Critical
KEV: 0
EPSS: +2
CVSS: +26
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:a:argoproj:argo_cd:1.5.0:-:*:*:*:*:*:*
CVE-2025-55190 CRITICAL POC
9.9 Sep 04

Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. Rated critical severity (CVSS 9.9), this vulne

CVE-2023-40029 CRITICAL POC
9.6 Sep 07

Argo CD is a declarative continuous deployment for Kubernetes. Rated critical severity (CVSS 9.6), this vulnerability is

CVE-2024-21662 CRITICAL POC
9.1 Mar 18

Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. Rated critical severity (CVSS 9.1), this vulne

CVE-2024-31989 CRITICAL POC
9.0 May 21

Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. Rated critical severity (CVSS 9.0), this vulne

CVE-2022-1025 HIGH POC
8.8 Jul 12

All unpatched versions of Argo CD starting with v1.0.0 are vulnerable to an improper access control bug, allowing a mali

CVE-2020-8828 HIGH POC
8.8 Apr 08

As of v1.5.0, the default admin password is set to the argocd-server pod name. Rated high severity (CVSS 8.8), this vuln

CVE-2024-22424 HIGH POC
8.3 Jan 19

Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. Rated high severity (CVSS 8.3), this vulnerabi

CVE-2025-59531 HIGH POC
7.5 Oct 01

Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. Versions 1.2.0 through 1.8.7, 2.0.0-rc1 throug

CVE-2025-59537 HIGH POC
7.5 Oct 01

Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. Versions 1.2.0 through 1.8.7, 2.0.0-rc1 throug

CVE-2025-59538 HIGH POC
7.5 Oct 01

Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. For versions 2.9.0-rc1 through 2.14.19, 3.0.0-

CVE-2024-40634 HIGH POC
7.5 Jul 22

Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. Rated high severity (CVSS 7.5), this vulnerabi

CVE-2024-37152 HIGH POC
7.5 Jun 06

Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. Rated high severity (CVSS 7.5), this vulnerabi

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